Christ John M <br/><br/>
Concept And Subject Headings     Their relation in infotmation retrieval and library science 
Christ John M 
 - Metuchen  Scarecrow Press        1972 
 - xiv, 174p. Appendix  cm. 
<br/><br/><label>Standard No.: </label>6,109 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:55, L2-;2 (2)